Easy fix. Kits are readily available at a reasonable price to re-bush the spindles and replace the spindle bolts. With new bushings and bolts, and a little adjustment it will make it steer like a dream. Norm

If the thread at the bottom is still good, you can wrap shim stock around the top of the bolt where it goes through the axle. This will be held in place when you tighten it up and will stop the bolt from rocking back and forth in the axle. Norm